![]() ![]() (You can skip this step if you have an M1 Mac, as Apple Silicon Macs don’t come with an SMC.) The System Management Controller (SMC) is a chip that controls many of your Mac’s physical components, so resetting SMC can resolve certain display-related issues. Make sure your Mac is completely switched off.Press and hold the Control + Shift + Option keys and the “Power” buttons for 10 seconds, then release all four keys at once.Using 4K? Make Sure Your Mac Is Compatible! If your MacBook has the T2 chip, you’ll need to use the Shift key on the right side of your keyboard in addition to the other keys.ġ4. If you’re using a 4K external display, then there’s no guarantee that your graphics card will be powerful enough to push all of those pixels to the 4K display. Typically, most Macs produced after 2013 are capable of supporting this resolution, but if you’re unsure, you can check your Mac’s technical specifications for more information.Īlso read: The Definitive Monitor Buying Guide 15. ![]()
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